Minecraft Java 1.21 Mods
Browse 144 free mods for Minecraft Java 1.21 — popular picks include Trick Quiver, The Legend Returns, Attack Mastery.
Updated daily
Trick Quiver
An archery combat mod: switch between 12 magic arrows, craft bow attachments, battle clockwork archers, and raid a Japanese-style boss shrine. One arrow solves everything.
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.
Attack Mastery
Grindy attack skill progression! Kill levelled mobs to level up your Attack Mastery (max 200), gaining up to +1000% damage. Bossbar tracks XP — perfect for RPG servers with Levelled Mobs!
HARD NEW
A technologically advanced game with a focus on realism! Shaders, automation, smart NPCs, hundreds of animals, and hardcore bosses. Explore this vibrant world with your friends using the built-in voice chat.
Telum Solaris - At the Forest's Edge
Telum Solaris aims to add new weapons, armor and boss to minecraft for every stage of minecraft's progression. It is currently my first and only project!
NxControl
NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Endless Instability
This mod changes many stages of Minecraft, adding new blocks, tools, and bosses. It's not yet finished and is in early development. It's 70% translated into English and 100% into Russian.
Endmode 2 | Terraria Style Datapack
Terraria inspired overhaul to progression. New bosses, items, etc.
Calamity Bosses
20 NEW bosses that will shift the power changes in your world, adding custom item rewards and custom blessings to ease your fare through this treacherous world.
Kult Craft Core Data Pack (1.21.1, 1.20.1) – Fight Custom Bosses Without a Long
Kult Craft Core Data Pack extends the Attribute Setter Mod by balancing health and damage numbers for several other mods. The pack lowers the health of specific boss-like monsters so they do not take forever to defeat in regular survival gameplay. Features: Changes the health stats for specific creatures from different mods so they fit […]
Spell Utils Mod (1.21.1) – Library for Iron's Spells and Spellbooks Addons
Spell Utils Mod is a utility API designed to help developers create addons for Iron's Spells and Spellbooks Mod. It provides ready-to-use systems, classes, and tools that simplify the process of building custom spells, mobs, and bosses. This mod is mainly intended for mod developers, not regular players. Features: Mob & Boss Systems Custom spellcasting […]
Mowzie's Mobs Mod (1.21.1, 1.20.1) – Slay Bosses for Their Gear
Mowzie's Mobs Mod adds a variety of fictional creatures to your Minecraft world, each with unique AI, smooth animations, and a rich atmosphere. This mod challenges you to face new bosses and enemies. If you defeat them, you can claim their magical abilities and powerful items for yourself. Get ready for exciting new battles against […]
Anarchy Mod (1.21.1, 1.20.1) – Powerful Minibosses
Anarchy Mod introduces tougher minibosses and rare wandering hostile mobs “Forsaken Adventurers” with unique gear and drops. There are special “Ancient Trials” structures where stronger versions of these minibosses roam, and defeating them gives access to more powerful loot. Features: Several minibosses, each with different combat styles (Juggernaut, Rogue, Mercenary, Fire Archmage, Templar). Rare boss […]
Aggro Fix Mod (1.21.1, 1.20.1) – Enhanced Aggro System, Like an MMORPG
Aggro Fix Mod aims to change the aggro system of Minecraft. Normally, mobs in Minecraft target the first entity that hits them. This mod changes that behavior so that mobs will target the entity that deals the most damage to them. This mod is particularly useful in multiplayer scenarios or when fighting modded bosses, as […]
Brutal Bosses Mod (1.21.1, 1.20.1) – New Adversaries for Players to Battle
Brutal Bosses Mod is a mod that, as its name suggests, introduces new bosses into Minecraft. These bosses are based on existing Minecraft creatures but come with unique stats, abilities, loot, and behaviors. Features: Here are some of the bosses included in the mod: Evoker Boss, Evoker Summoner, Drowned Boss, Ghast Boss, Archmage Boss Cave […]
Eternal Starlight Mod (1.21.1, 1.21) – Hunt Down Powerful Bosses
Eternal Starlight Mod adds a magical and mysterious new world called the Starlight Dimension. This realm is filled with strange biomes, new mobs, and powerful bosses to challenge you. To begin your journey, you must find the Starlight Portal Ruins in the Overworld and face The Gatekeeper. The mod also includes new tools, weapons, and […]
TFM's Best of All Worlds (Lightsabers, Wands, Terraria, Bosses, etc.)
Merging a plethora of franchises into one Minecraft mod.
RPG Style More Bosses : Exoframe
Adds a new boss and new weapons to the game. Add-on for RPG Style More Weapons
Soap's Weapons 'n Bosses
Mod filled with weapons and bosses from anime and games
The Fallen World
This mod adds things like dimensions, blocks, items, mechanics, bosses, mobs, structures and much more!
Epic Bosses (Bosses)
A mod for epic bosses in minecraft that adds a lot of unique content.
Stronger Fire Boss
Enhance or customize the Fire Boss in Iron's Spells 'n Spellbooks.
Army of Shadows
Master the Art of Necromancy! Capture the souls of any mob or boss—including those from other mods—and command an undead army or harness their dark power for yourself.
Twilight Tavern
Magical, cozy cottage? Or a dark wizard dungeon? Your choice! No futuristic automation mods. The modpack is a curated mix of magical, fantasy and farm related mods with challenging, dark outside world full of monsters and bosses.
Create - The World(Arcane)
A High-Fantasy inspired Create centered RPG modpack, delve into the secrets of the arcane, develop engineering marvels, and face horrible monsters and bosses as you survive in a world at war.
Evergrow
A brutal high-end adventure modpack packed with tons of new mobs, bosses, weapons and dimensions – heavily optimized and balanced for powerful PCs.
Blood Toll Pistol
The Blood Toll Pistol is a cursed weapon that deals 1000 damage to mobs, less to bosses. Right-click to fire a magical bullet with effects. Each shot costs 5 hearts, 3s cooldown, 100-use durability.
Just All Mods - JAM
Jams is a modpack built for everybody you want bosses, cozy cooking and farming mods, new pets or tech mods? Well JAM has all of that plus more we have 1000+ quest in case you're new to mods come on and give it a try.
Paladin's Journey
A mod that adds new: bosses, ores, armor sets, weapon types, and even special legendary weapons. Made for the Paladin's SMP.
Legendary Spellbooks Mod (1.21.1, 1.20.1) – Cast Deadly Boss Magic
Legendary Spellbooks Mod adds monster abilities from Legendary Monsters into Iron's Spells'n Spellbooks. It turns hostile boss attacks and monster skills into craftable spells that you can cast from spellbooks and scrolls. The mod introduces a brand new magic school alongside many elemental spells across existing schools. You can now wield the same magic that […]
Tensura Cataclysm Loot Data Pack (1.21.1) – Earn Rare Magic Drops
Tensura Cataclysm Loot Data Pack adds items from the Tensura: Reincarnated mod to mob drop tables in L_Ender's Cataclysm. Defeating powerful bosses and dungeon monsters rewards you with elemental essence, cores, shards, and magic ores. Each Cataclysm structure matches its thematic element, giving you clear targets when farming specific materials. This integration helps connect combat […]
DOOM the Titans Mod (1.21.8, 1.20.1) – Slay Giant Monster Bosses
DOOM the Titans Mod drops you into a world filled with massive, unstoppable monster bosses. It gives you overpowered armor and weapons inspired by the DOOM games so you can fight back against these giant creatures. You can wear special suits that block all damage and swing a glowing sword that deletes normal enemies in […]
Broken Trees Mod (1.21.1) – Master Colorful Magic and Battle Powerful Custom
Broken Trees Mod extends Iron's Spells 'n Spellbooks with colorful magic and powerful new enemies. It changes how lightning and thunderstorm spells look in the game. This mod also brings custom bosses to fight and new flying creatures to find. You can meet special villagers who trade magical items for your adventures. It packs in […]
Armageddon Mod (1.21.1, 1.20.1) – Adds RPG Boss Progression
Armageddon Mod completely changes how you play the game. It makes you earn your items by fighting big bosses. You cannot just dig down to find diamonds right away. The mod adds a step-by-step path where you must defeat monsters to get better gear. It turns your normal survival world into a fun RPG game. […]
Mebahels Creatures Draugr Invasion Mod (1.21.11, 1.20.1) – Adds Nordic Undead Enemy Raids
Mebahels Creatures Draugr Invasion Mod adds a new group of undead enemies based on Nordic stories to your game. It brings different types of ancient warriors, a big boss, magic items, and new buildings to fight through. You can even start your own enemy raids to get special rewards. Features: Draugr Raid System: Kill enemies […]